High-frequency coupler and communication device
First Claim
1. A high-frequency coupler comprising:
- a magnetic-field-generating conductive pattern that generates a magnetic field; and
a folded conductive pattern which includes a first line portion, a folded back portion, and a second line portion, and is arranged close to the magnetic-field-generating conductive pattern, whereinthe first and second line portions are arranged next to and in parallel with each other, andan electric current flowing through the first line portion and an electric current flowing through the second line portion flow in opposite directions.
1 Assignment
0 Petitions
Accused Products
Abstract
A high-frequency coupler and a communication device are compact, capable of efficiently communicating a large volume of data over a short distance and can be used in combination with a non-contact IC card. The high-frequency coupler includes magnetic-field-generating patterns and a surrounding pattern disposed around a periphery thereof, and is used to communicate a large volume of data over a short distance in a communication system that uses broadband frequencies. Out of the magnetic fields radiated in directions perpendicular or substantially perpendicular to the plane of the patterns from the magnetic-field-generating patterns, portions extending laterally in the plane of the patterns are blocked by the surrounding pattern, the magnetic fields are lengthened in a direction perpendicular or substantially perpendicular to the plane of the patterns and the communication distance is increased.
-
Citations
9 Claims
-
1. A high-frequency coupler comprising:
-
a magnetic-field-generating conductive pattern that generates a magnetic field; and a folded conductive pattern which includes a first line portion, a folded back portion, and a second line portion, and is arranged close to the magnetic-field-generating conductive pattern, wherein the first and second line portions are arranged next to and in parallel with each other, and an electric current flowing through the first line portion and an electric current flowing through the second line portion flow in opposite directions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
Specification